EignumVit^B i3^7 
Stone bottk 177^ 
Ivory i8i6 
Mabaftep 187I 
Brick 1979 
Heddington ftone , the foft lax 
kind ; ^0l9 
Bufford (lone, an old dry 
piece 1049 
Pavirg (lonea hard fort froma- 
boutBlaidan 2460 
Fl'nt 2.^42. 
Glafs of a quart bottle 1.666 
Black Italian marble . _27o4 
White Italian marble trycd 
twice , 2707 
White Italian marble of.-^ 
another fort of a vifiblyV 17 
elofer texture 3 
Block tin 73 ^ i 
Copper 8 84 J 
Lead 1^345' 
Quickfilvcr 140 19 
QuickXilver ^3593 ; 
The Ikft Experimtnt>(^as tryd'wk^ another quantity o 
quickfilver, which had been uled in water inthepr 
cedingexperiment: however I rather truft the laft, fo 
that 1 found a fmallmiftakeYtho'here in the caleulatio 
allowed for,) in tfee weight of the glafs containigth 
Quickfilver in the tryal before. 
The folids here-mentioned, were examined Hydroftatr 
r^/Ty by weighing them in air and watery but the fluids 
by weighing an equal portion of each in a glafs holdin 
about a quart* The numbers fhew the proportion o 
gravity of equal portions of thefe bbdys: but if of theft 
bodys we take portions equally heavy, their magnitudes 
wilt 
